ATE325505T1 - Sicheres datensignalübertragungssystem - Google Patents

Sicheres datensignalübertragungssystem

Info

Publication number
ATE325505T1
ATE325505T1 AT98202914T AT98202914T ATE325505T1 AT E325505 T1 ATE325505 T1 AT E325505T1 AT 98202914 T AT98202914 T AT 98202914T AT 98202914 T AT98202914 T AT 98202914T AT E325505 T1 ATE325505 T1 AT E325505T1
Authority
AT
Austria
Prior art keywords
key
subscribers
encrypted
common
broadcasting
Prior art date
Application number
AT98202914T
Other languages
English (en)
Inventor
Simon Paul Ashley Rix
Andrew Augustine Wajs
Original Assignee
Irdeto Access Bv
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Irdeto Access Bv filed Critical Irdeto Access Bv
Application granted granted Critical
Publication of ATE325505T1 publication Critical patent/ATE325505T1/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
    • H04N21/4367—Establishing a secure communication between the client and a peripheral device or smart card
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/0816—Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
    • H04L9/0819—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s)
    • H04L9/0822—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s) using key encryption key
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/442—Monitoring of processes or resources, e.g. detecting the failure of a recording device, monitoring the downstream bandwidth, the number of times a movie has been viewed, the storage space available from the internal hard disk
    • H04N21/44236—Monitoring of piracy processes or activities
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H04N7/162—Authorising the user terminal, e.g. by paying; Registering the use of a subscription channel, e.g. billing
    • H04N7/163—Authorising the user terminal, e.g. by paying; Registering the use of a subscription channel, e.g. billing by receiver means only
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H04N7/167—Systems rendering the television signal unintelligible and subsequently intelligible
    • H04N7/1675—Providing digital key or authorisation information for generation or regeneration of the scrambling sequence
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/60—Digital content management, e.g. content distribution
    • H04L2209/601—Broadcast encryption

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Virology (AREA)
  • General Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Databases & Information Systems (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Circuits Of Receivers In General (AREA)
  • Storage Device Security (AREA)
  • Selective Calling Equipment (AREA)
  • Burglar Alarm Systems (AREA)
  • Communication Control (AREA)
AT98202914T 1998-09-01 1998-09-01 Sicheres datensignalübertragungssystem ATE325505T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP98202914A EP0984629B1 (de) 1998-09-01 1998-09-01 Sicheres Datensignalübertragungssystem

Publications (1)

Publication Number Publication Date
ATE325505T1 true ATE325505T1 (de) 2006-06-15

Family

ID=8234078

Family Applications (1)

Application Number Title Priority Date Filing Date
AT98202914T ATE325505T1 (de) 1998-09-01 1998-09-01 Sicheres datensignalübertragungssystem

Country Status (12)

Country Link
US (1) US6393128B1 (de)
EP (1) EP0984629B1 (de)
JP (1) JP4628509B2 (de)
CN (1) CN1300975C (de)
AT (1) ATE325505T1 (de)
AU (1) AU756977B2 (de)
BR (1) BR9904057A (de)
CA (1) CA2281146C (de)
DE (1) DE69834396T2 (de)
ES (1) ES2262210T3 (de)
RU (1) RU99119071A (de)
ZA (1) ZA995260B (de)

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CN1269125C (zh) * 1998-01-26 2006-08-09 松下电器产业株式会社 数据记录/再现方法和系统、记录设备和再现设备
US20030149986A1 (en) * 1999-08-10 2003-08-07 Mayfield William W. Security system for defeating satellite television piracy
US6289455B1 (en) * 1999-09-02 2001-09-11 Crypotography Research, Inc. Method and apparatus for preventing piracy of digital content
GB2374998B (en) * 2000-05-22 2004-10-13 Nds Ltd Dynamically shifting control word
CA2432445C (en) * 2001-01-16 2011-08-02 Nagracard S.A. Method for storing encrypted data
US20020146125A1 (en) * 2001-03-14 2002-10-10 Ahmet Eskicioglu CA system for broadcast DTV using multiple keys for different service providers and service areas
FR2823039B1 (fr) * 2001-03-30 2003-08-01 Canal Plus Technologies Systeme et procede de transmission d'informations chiffrees a cle chiffree
CN100375521C (zh) * 2001-07-04 2008-03-12 天地数码网络有限公司 用于加密信号传输过程的安全单元
GB2377348B (en) * 2001-07-04 2004-07-14 Digital Video Networks Ltd Security unit for encrypted signal transmission
WO2003036857A1 (en) * 2001-10-24 2003-05-01 Nokia Corporation Ciphering as a part of the multicast cencept
US7930712B1 (en) * 2001-11-08 2011-04-19 The Directv Group, Inc. Apparatus and method for processing content signals from multiple signal sources
US7751569B2 (en) * 2002-11-19 2010-07-06 Oracle America, Inc. Group admission control apparatus and methods
DE10307996B4 (de) * 2003-02-25 2011-04-28 Siemens Ag Verfahren zum Ver- und Entschlüsseln von Daten durch verschiedene Nutzer
EP1685713B1 (de) * 2003-11-13 2013-01-02 Irdeto Eindhoven B.V. Verfahren und einrichtungen für bedingten zugang
WO2006044765A2 (en) * 2004-10-18 2006-04-27 Syphermedia International, Inc. Method and apparatus for supporting multiple broadcasters independently using a single conditional access system
US10477151B2 (en) 2004-10-18 2019-11-12 Inside Secure Method and apparatus for supporting multiple broadcasters independently using a single conditional access system
US9225698B2 (en) 2005-05-12 2015-12-29 Nokia Technologies Oy Fine grain rights management of streaming content
JP4900645B2 (ja) * 2005-08-01 2012-03-21 ソニー株式会社 受信装置、受信方法、送信装置、送信方法、プログラム、記録媒体、通信システム、および通信方法
JP4350714B2 (ja) * 2006-02-27 2009-10-21 株式会社東芝 送信装置、受信装置及び送信方法
CN101150395B (zh) * 2006-09-22 2010-05-12 中国科学院声学研究所 一种加密授权管理系统的双重分组的四层加密方法
US8396221B2 (en) * 2006-12-21 2013-03-12 Oracle International Corporation Secure broadcasting and multicasting
CN101026451B (zh) * 2007-02-02 2010-09-29 清华大学 条件接收系统中基于产品和用户分别分组的密钥分配方法
US8683549B2 (en) 2007-03-23 2014-03-25 Microsoft Corporation Secure data storage and retrieval incorporating human participation
US8837726B2 (en) * 2009-10-16 2014-09-16 Cisco Technology, Inc. Content protection key encryptor for security providers
ES2523423B1 (es) 2013-04-10 2015-11-24 Crypto Solutions, S.L. Dispositivo de cifrado simetrico y procedimiento empleado

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US4531020A (en) 1982-07-23 1985-07-23 Oak Industries Inc. Multi-layer encryption system for the broadcast of encrypted information
US4613901A (en) * 1983-05-27 1986-09-23 M/A-Com Linkabit, Inc. Signal encryption and distribution system for controlling scrambling and selective remote descrambling of television signals
JPS6120442A (ja) * 1984-07-09 1986-01-29 Toshiba Corp 有料放送方式
JPS62189A (ja) * 1985-06-26 1987-01-06 Toshiba Corp 有料放送方式
US4887796A (en) 1987-11-30 1989-12-19 American Fence Company Barbed tape
US4868877A (en) 1988-02-12 1989-09-19 Fischer Addison M Public key/signature cryptosystem with enhanced digital signature certification
US4864615A (en) * 1988-05-27 1989-09-05 General Instrument Corporation Reproduction of secure keys by using distributed key generation data
IL92310A (en) 1989-11-14 1994-05-30 News Datacom Ltd System for controlling access to broadcast transmissions
US5282249A (en) 1989-11-14 1994-01-25 Michael Cohen System for controlling access to broadcast transmissions
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US6118873A (en) * 1998-04-24 2000-09-12 International Business Machines Corporation System for encrypting broadcast programs in the presence of compromised receiver devices

Also Published As

Publication number Publication date
AU756977B2 (en) 2003-01-30
JP4628509B2 (ja) 2011-02-09
CA2281146C (en) 2010-07-20
ZA995260B (en) 2000-02-21
AU4478799A (en) 2000-03-16
BR9904057A (pt) 2000-08-29
HK1026314A1 (en) 2000-12-08
CN1300975C (zh) 2007-02-14
DE69834396D1 (de) 2006-06-08
CN1249584A (zh) 2000-04-05
CA2281146A1 (en) 2000-03-01
JP2000092039A (ja) 2000-03-31
RU99119071A (ru) 2001-07-27
EP0984629A1 (de) 2000-03-08
EP0984629B1 (de) 2006-05-03
ES2262210T3 (es) 2006-11-16
US6393128B1 (en) 2002-05-21
DE69834396T2 (de) 2007-02-22

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Legal Events

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RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties